diff --git a/plugin/fugitive.vim b/plugin/fugitive.vim
index 7754f22..b3f64ab 100644
--- a/plugin/fugitive.vim
+++ b/plugin/fugitive.vim
@@ -1410,7 +1410,7 @@ function! s:Blame(bang,line1,line2,count,args) abort
     else
       let cmd += ['--contents', '-']
     endif
-    let basecmd = call(s:repo().git_command,cmd+['--',s:buffer().path()],s:repo())
+    let basecmd = escape(call(s:repo().git_command,cmd+['--',s:buffer().path()],s:repo()),'!')
     try
       let cd = exists('*haslocaldir') && haslocaldir() ? 'lcd ' : 'cd '
       if !s:repo().bare()